Locking-bolt.



G. W. OBERT.

LOCKING BOLT.

APPLICATION IILED un. 27, 1909.

Patented June7,1910.

wumwm L'me CASIN W. OBERT, 0F NEW YURK, It. Y.

LOCKING-BOLT.

Specification of Letters Patent. Patented June 7, 1910- Applieation filed January 27, 1908. Serial No. 474,454.

To all whom it may concern:

Be it known that I, CASIN W. Damn, a citizen ofthe United States of America, residing in New York, in the borough of Brooklyn, county of Kings, and State of New York, have invented certain new and useful Improvements in Locking-Bolts, of which the following is a specification.

This invention relates to locking-bolts, and has for its object to provide a lockingbolt which prevents the rattling ot the parts to which it is applied, and which secures the parts against unauthorized tampering.

For this purpose, my invention consists of an improved locking-colt which comprises a. curveol holt ancl a toggle action means not ing on the bolt, the curved holt having the function or cooperating with e plate, the recesses of which it engages, so es to cause n clamping action therewith, anrl the toggle action has the function or" preventing the unnuthorizctl movement of the bolt after it has loecn placetl in its locltecl position.

In the nccompanying drawing forming port of this specification, in which the same reference characters denote the same parts throughout the views, igure 1 is a sitle-elcvation of a locking-bolt constructed accortiing to the invention, the holt heing shown es nppliecl a supporting nieniher soil in loclrecl position, Fig". 2 is View similar to Fig. l, loot in unlocked position entl partly in section with ports remorecl, so as to he able to see the manner of operation more clenrly, Fig. 3 is s top plan-view of Fig. 1, and l ig. is vertical transverse section token on line 4% of 2.

Referring to the drawings, my; iniproveri loclrine-holt consists of n cnrvecl holtheaci it eni toggle action means, which cooperate therewith to tool: it or unlock it position. the enohonliinent shown in the olrawing, the improved loclring-holt is rip-plied to one encl of or member 5 movahle with relation to another ineniher 6. These meinhers 5 antl 6 may he WlHtllUW-SHSliOS, or a cloor end its frame, or n tlrawer and its casing, none of which are shown in detail in the drawing since the use to which the invention is put forms no port thereof. @ne embodiment consists of an ottaching or lease-plate 8 secured lby screws 7, or in only suitahle manner, to the member 5, which plate 8 is hent up at one enrl to form an upstanding portion 9. This portion is provitietl with an opening 10, which serves as a guide for the bolt-head H which is pivoted at its rear-end by means of a. cross-pin 12 to the forward end of a link 13. The rear-end of this link has side-plates 31 joined by a. Web 32, and is pivotally connected with a pin it supported by a hearing 15. Each side-plate 31 of the link l3 is provided intermediately of its pivot-pins 12 and 14; with a longitudinally-disposal slot 33, each of which is engagetl by a pin 16 carried at the end of o, hell-crank lever 17. The lever is pivoted or fulcrumetl in a trunnion 18 on a pin 21 of the trunnion 18, which trunnion in the drawing is SECtHQLl to the attaching or base-plate 8 at its intermediate portion by a connecting Web 19 by means of rivets 20. This encl 35 of the hell-crank lever 17 is arranged to move freely hetween the side-plate 31 and members of the trunnion 18, while the other coil 36 is somewhatlongcr so as to form a suitable operating handle. The other meniher 6 is provided with a plate 38 having recesses, one side of which is inclined, which recesses register with notches 37 in the memlier l3 also having inclined portions t0.

Supposing the bolt to he in locked position, as shown in Fig. i, when it is olesiretl to release the some the handle 36 thrown npn'arillv in the direction of the smell ar row shown in Fig. i. This movement of the handle causes the pin 16 to rearivartll r in the slots 33 of the sitle-pin of the hill 3, (luring which soici pin in on ere ginning at point i a vertical line passing through the pin. El, ot o. point at the other sine whereby the linlr i8 is rnoretl the position shown in Fig. 2. .sirnuiteneonsly with this the holt'head it is riisenngerl from the recess and notch of ther 6. The pin 16 acting in the s: moves linlr upwardly and draws the rear-enti of the holthcnil olong with it, the front-curl acting on the portion 9, the upper part of the opening; it noting as e levenpoint.

i hen it is tlesiretl to throw the so ttS to secure the niemhers, and cause the Belthearls entry into one of the notches iii, the honrlle 36 of the hell-cronl-r lever is moved :iovvuwarrilly in the direction of the arrow of Fig. 2 whereby the oin to engaging the slots 33 ot the lint: l3 will torce'the latter clownu'ariily zttltl thereby the bolt-heed outwardly through the opening 10 of the ortion 9. This will have been accomplished efore the handle reaches the position shown in Fig. 1, the continuing downward movement of the handle causing the pin to pass from one side, the right-hand side of Fig. 2 to the other side of a vertical line passing through the pin 21. The movement of the pin which prior to this passage had the function of pressing the link-13 downwardly so as to move the bolt outwardly, now moves the link down slightly farther, which causes the rear-end of the bolt-head to be depressed, and thereby the other end to be raised, the

portion 10 acting as a lever-pin. By reason of the curvature of the bolt-head, when it enters the notch it will move u wardly into said notch at a slight angle, an(l co6perating with the inclined recess 39 of the plate 38 and portion 40 of the notch 37 of the member will bring about a clamping action by the final depression of the handle. The pin 16 being brought in a final position between the curved part of the trunnion 18 and the link 13, is wedged or locked, and in this way firmly held, so as to make it impossible for it to be withdrawn by any upward force acting on the base 8, but on the contrary, any such upward drive would force the bolt more securely into the locking recess or notch. By reason of the upward inclination of the notch, and the curved form of the bolt-head, the throwing in of the bolt is instrumental in clamping the two members 5 and 6 tightly together, so that they are firmly locked in place and secure a sufii ciently tight connection to prevent thereby any rattling, or the ingress of cold air, rain or snow.

The throwing and releasin of the bolthead is very easily accomplished by means of the arrangement described especially near the end of each movement, either downward or upward, in view of the compound leveraction, both the upper and lower edge of the opening 10 of the portion 9 acting in the nature of a toggle which is held securely in its locked position by means of the operating lever. This results in providing a bolt which cannot be released except by the proper manipulation of the operating lever, so that it is impossible to separate the members by simply pressing one upwardly by means of a jimmy or similar instrument.

I have shown one embodiment of my invention, but I do not wish to be limited to the specific embodiment shown and-described for the purpose of the understandi of my invention. since changes and modi cations may be made from the form shown, without departing from the spirit of my invention. Nor do I wish to be limited to the special application of my improved locking-bolt to any particular use as described since my inventionmay be put to many other uses.

amass Having thus described my invention, I claim as new and desire to secure by Letters Patent 1. In a locking bolt the combination of a bolthead, a vlink pivotally supported and )ivoted to the bolthead, and a lever co-actmg with the link for moving the latter into substantial axial alinement with the bolt head and then positively holding said link in such position.

2. In a locking bolt, the combination of a bolthead, a link pivotally' supported and pivoted to the bolthead, and a lever for positively holding the link against upward or downward movement when substantially in axial alinement with the bolthead.

In a locking-bolt, the combination of a bell-crank lever, a link pivoted at one end and having a slidin cam connection with said lever, and a sli ing-bolt pivoted to the link.

4. In a locking-bolt, the combination of an attaching plate having a bent-up apertured end, a bolthead guided in said end, a link pivoted to the attaching-plate and also to the bolt-head, and means for operating the link.

5. In a locking-bolt, the combination of a hell-crank lever, a link pivoted at one end, and connected with said lever, and a slidingbolt pivoted to the link.

(3. .In a locking-bolt, the combination of a bolt-head, a link pivoted to said bolt-head forming in connection therewith a toggle,

and an operating lever having a cam-motion connection therewith.

7. In a locking-bolt, the combination of a bolthead,'a link pivoted thereto, and a bellcrank lever carrying a pin in sliding cam engagement with said link, said pin having, when the bolt is thrown, a position at one side of the pivot of said lever, and when the bolt is released taking a position at the other side of said pivot.

8. In a locking-bolt, the combination with a member having a notch directed at an angle with respect to the face of. said member, of a sliding, curved bolt-head forming one member of a toggle, a link forming the other member of the toggle, and operating means for the tog le.

-9. In a lockingolt, the combination of a pivoted bellcrank lever carrying a pin at one end, a pivoted link comprising side plates between which said lever enters and having longitudinal slots through which said pin protrudes at its ends, and a sliding-bolt pivoted to said link.

10. In a locking-bolt, the combination of an operating-lever, a linkraised and lowered thereby, a bolt-head pivoted to the forward-end of the link, and an attachingplate one end of which pivotally supports the rear-end of the link while the other end serves as a guide for the bolt.

the link while the other end serves as a guide 10 11. In combination, a locking-bolt having for the bolt-head.

a bolt-head integral therewith and means cooperating with the bolt to form therewitha In'testiniony, that I claim the foregoing; toggle connection for locking the bolt in a as my invention, I have Signed my name in position when in substantial alinomentwith presence of two subscribing witnesses. Silltl means. CASIN \V. ()BIIRT.

12. In a locking-bolt having a link and a l)()ll-ll(tltl. an attaching plate one end of which pirotally supports the rear-end ofl Witnesses C. I. GUEPEL, M. I). Annex. 

